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All results from a given calculation for CH2CHCH2CH3 (1-Butene)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-157.246634
Energy at 298.15K-157.254547
HF Energy-157.246634
Nuclear repulsion energy116.919465
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at TPSSh/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3220 3108 22.01      
2 A 3139 3029 5.29      
3 A 3123 3014 37.86      
4 A 3111 3002 36.42      
5 A 3103 2994 35.79      
6 A 3059 2952 10.80      
7 A 3031 2925 32.88      
8 A 3009 2904 30.53      
9 A 1712 1652 8.78      
10 A 1519 1466 2.71      
11 A 1510 1457 3.93      
12 A 1491 1438 2.77      
13 A 1462 1411 1.03      
14 A 1411 1361 0.49      
15 A 1343 1296 3.24      
16 A 1320 1274 3.47      
17 A 1291 1246 0.12      
18 A 1200 1158 0.32      
19 A 1091 1053 3.62      
20 A 1045 1009 9.07      
21 A 1022 986 1.50      
22 A 978 944 2.20      
23 A 942 909 33.02      
24 A 856 826 1.97      
25 A 786 759 2.61      
26 A 652 629 7.44      
27 A 421 406 0.86      
28 A 304 293 0.35      
29 A 228 220 0.03      
30 A 109 105 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 23744.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 22913.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at TPSSh/6-31G(2df,p)
ABC
0.75398 0.13785 0.13465

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.728 -0.249 -0.294
C2 0.540 0.525 0.305
C3 -0.722 -0.294 0.342
C4 -1.861 0.015 -0.279
H5 -0.664 -1.217 0.921
H6 1.521 -0.538 -1.329
H7 2.638 0.359 -0.282
H8 1.929 -1.164 0.275
H9 0.799 0.834 1.327
H10 0.363 1.442 -0.268
H11 -1.962 0.922 -0.870
H12 -2.738 -0.622 -0.220

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53882.53103.59812.85191.09461.09491.09562.15922.17323.91424.4818
C21.53881.50502.52292.20542.18232.18462.18681.09881.09602.79303.5126
C32.53101.50501.33311.09092.80773.47912.79042.13492.13642.11792.1185
C43.59812.52291.33312.09453.58434.51184.00683.21322.64261.08751.0859
H52.85192.20541.09092.09453.20973.85182.67282.55213.08873.07672.4403
H61.09462.18232.80773.58433.20971.77411.76933.07552.52693.80514.4021
H71.09492.18463.47914.51183.85181.77411.77032.48902.51924.67185.4651
H81.09562.18682.79044.00682.67281.76931.77032.52523.08834.56094.7238
H92.15921.09882.13493.21322.55213.07552.48902.52521.76223.52994.1265
H102.17321.09602.13642.64263.08872.52692.51923.08831.76222.45783.7259
H113.91422.79302.11791.08753.07673.80514.67184.56093.52992.45781.8463
H124.48183.51262.11851.08592.44034.40215.46514.72384.12653.72591.8463

picture of 1-Butene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.508 C1 C2 H9 108.749
C1 C2 H10 109.999 C2 C1 H6 110.800
C2 C1 H7 110.967 C2 C1 H8 111.094
C2 C3 C4 125.374 C2 C3 H5 115.406
C3 C2 H9 109.161 C3 C2 H10 109.440
C3 C4 H11 121.747 C3 C4 H12 121.943
C4 C3 H5 119.215 H6 C1 H7 108.245
H6 C1 H8 107.766 H7 C1 H8 107.835
H9 C2 H10 106.816 H11 C4 H12 116.310
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.426      
2 C -0.258      
3 C 0.014      
4 C -0.361      
5 H 0.110      
6 H 0.142      
7 H 0.134      
8 H 0.135      
9 H 0.128      
10 H 0.124      
11 H 0.126      
12 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.339 0.028 0.092 0.352
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.629 0.016 0.863
y 0.016 5.828 -0.566
z 0.863 -0.566 5.437


<r2> (average value of r2) Å2
<r2> 102.796
(<r2>)1/2 10.139